This PSU Adapter is designed exclusively for use with ResMed Power Station II (RPS II) Battery Packs. The PSU connects RPS II batteries to the External Power Supply of an AirSense 10 Series CPAP device or AirCurve 10 Series BiLevel device for recharging.

USAGE: The PSU is only used to recharge RPS II batteries. When using the RPS II to power your CPAP or BiLevel device the PSU should be removed and stored for safe keeping.